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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/chromeos/login/auth/tpm_password_fetcher.h" | 5 #include "tpm_password_fetcher.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
9 #include "base/message_loop/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
10 #include "chromeos/dbus/cryptohome_client.h" | 10 #include "chromeos/dbus/cryptohome_client.h" |
11 #include "chromeos/dbus/dbus_thread_manager.h" | 11 #include "chromeos/dbus/dbus_thread_manager.h" |
12 | 12 |
13 namespace chromeos { | 13 namespace chromeos { |
14 | 14 |
15 namespace { | 15 namespace { |
16 | 16 |
17 // Interval between TPM password checks. | 17 // Interval between TPM password checks. |
18 const int kTpmCheckIntervalMs = 500; | 18 const int kTpmCheckIntervalMs = 500; |
19 | 19 |
20 } // namespace | 20 } // namespace |
21 | 21 |
22 TpmPasswordFetcher::TpmPasswordFetcher(TpmPasswordFetcherDelegate* delegate) | 22 TpmPasswordFetcher::TpmPasswordFetcher(TpmPasswordFetcherDelegate* delegate) |
23 : weak_factory_(this), | 23 : weak_factory_(this), delegate_(delegate) { |
24 delegate_(delegate) { | |
25 DCHECK(delegate_); | 24 DCHECK(delegate_); |
26 } | 25 } |
27 | 26 |
28 TpmPasswordFetcher::~TpmPasswordFetcher() { | 27 TpmPasswordFetcher::~TpmPasswordFetcher() { |
29 } | 28 } |
30 | 29 |
31 void TpmPasswordFetcher::Fetch() { | 30 void TpmPasswordFetcher::Fetch() { |
32 // Since this method is also called directly. | 31 // Since this method is also called directly. |
33 weak_factory_.InvalidateWeakPtrs(); | 32 weak_factory_.InvalidateWeakPtrs(); |
34 | 33 |
35 DBusThreadManager::Get()->GetCryptohomeClient()->TpmIsReady( | 34 DBusThreadManager::Get()->GetCryptohomeClient()->TpmIsReady(base::Bind( |
36 base::Bind(&TpmPasswordFetcher::OnTpmIsReady, | 35 &TpmPasswordFetcher::OnTpmIsReady, weak_factory_.GetWeakPtr())); |
37 weak_factory_.GetWeakPtr())); | |
38 } | 36 } |
39 | 37 |
40 void TpmPasswordFetcher::OnTpmIsReady(DBusMethodCallStatus call_status, | 38 void TpmPasswordFetcher::OnTpmIsReady(DBusMethodCallStatus call_status, |
41 bool tpm_is_ready) { | 39 bool tpm_is_ready) { |
42 if (call_status == DBUS_METHOD_CALL_SUCCESS && tpm_is_ready) { | 40 if (call_status == DBUS_METHOD_CALL_SUCCESS && tpm_is_ready) { |
43 DBusThreadManager::Get()->GetCryptohomeClient()->TpmGetPassword( | 41 DBusThreadManager::Get()->GetCryptohomeClient()->TpmGetPassword(base::Bind( |
44 base::Bind(&TpmPasswordFetcher::OnTpmGetPassword, | 42 &TpmPasswordFetcher::OnTpmGetPassword, weak_factory_.GetWeakPtr())); |
45 weak_factory_.GetWeakPtr())); | |
46 } else { | 43 } else { |
47 // Password hasn't been acquired, reschedule fetch. | 44 // Password hasn't been acquired, reschedule fetch. |
48 RescheduleFetch(); | 45 RescheduleFetch(); |
49 } | 46 } |
50 } | 47 } |
51 | 48 |
52 void TpmPasswordFetcher::OnTpmGetPassword(DBusMethodCallStatus call_status, | 49 void TpmPasswordFetcher::OnTpmGetPassword(DBusMethodCallStatus call_status, |
53 const std::string& password) { | 50 const std::string& password) { |
54 if (call_status == DBUS_METHOD_CALL_SUCCESS) { | 51 if (call_status == DBUS_METHOD_CALL_SUCCESS) { |
55 if (password.empty()) { | 52 if (password.empty()) { |
(...skipping 10 matching lines...) Expand all Loading... |
66 } | 63 } |
67 | 64 |
68 void TpmPasswordFetcher::RescheduleFetch() { | 65 void TpmPasswordFetcher::RescheduleFetch() { |
69 base::MessageLoop::current()->PostDelayedTask( | 66 base::MessageLoop::current()->PostDelayedTask( |
70 FROM_HERE, | 67 FROM_HERE, |
71 base::Bind(&TpmPasswordFetcher::Fetch, weak_factory_.GetWeakPtr()), | 68 base::Bind(&TpmPasswordFetcher::Fetch, weak_factory_.GetWeakPtr()), |
72 base::TimeDelta::FromMilliseconds(kTpmCheckIntervalMs)); | 69 base::TimeDelta::FromMilliseconds(kTpmCheckIntervalMs)); |
73 } | 70 } |
74 | 71 |
75 } // namespace chromeos | 72 } // namespace chromeos |
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